EMFeR: Store last solution.

jastadd-mquat-solver-emfer/src/main/java/uniks/EMFeRSolver.java

@@ -163,7 +163,7 @@ public class EMFeRSolver implements BenchmarkableSolver {
       }
 
       lastSolvingTime = stopWatch.time(TimeUnit.MILLISECONDS);
-
+      lastSolution = bestSolution;
       return bestSolution;
    }